Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
TAKADA Minoru and TAKAHASHI Yuzo,Engineers Correspondence Institute of Radio : History of the correspondence course of radio engineering in post-war Japan,"電気学会研究会資料. HEE, 電気技術史研究会",,,1998-03-17,1998,1,45-57,https://cir.nii.ac.jp/crid/1570291225756246144,